/*
 *  Copyright 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "pc/test/integration_test_helpers.h"

namespace webrtc {

PeerConnectionInterface::RTCOfferAnswerOptions IceRestartOfferAnswerOptions() {
  PeerConnectionInterface::RTCOfferAnswerOptions options;
  options.ice_restart = true;
  return options;
}

void RemoveSsrcsAndMsids(cricket::SessionDescription* desc) {
  for (ContentInfo& content : desc->contents()) {
    content.media_description()->mutable_streams().clear();
  }
  desc->set_msid_supported(false);
  desc->set_msid_signaling(0);
}

void RemoveSsrcsAndKeepMsids(cricket::SessionDescription* desc) {
  for (ContentInfo& content : desc->contents()) {
    std::string track_id;
    std::vector<std::string> stream_ids;
    if (!content.media_description()->streams().empty()) {
      const StreamParams& first_stream =
          content.media_description()->streams()[0];
      track_id = first_stream.id;
      stream_ids = first_stream.stream_ids();
    }
    content.media_description()->mutable_streams().clear();
    StreamParams new_stream;
    new_stream.id = track_id;
    new_stream.set_stream_ids(stream_ids);
    content.media_description()->AddStream(new_stream);
  }
}

int FindFirstMediaStatsIndexByKind(
    const std::string& kind,
    const std::vector<const webrtc::RTCInboundRtpStreamStats*>& inbound_rtps) {
  for (size_t i = 0; i < inbound_rtps.size(); i++) {
    if (*inbound_rtps[i]->kind == kind) {
      return i;
    }
  }
  return -1;
}

TaskQueueMetronome::TaskQueueMetronome(TimeDelta tick_period)
    : tick_period_(tick_period) {
  sequence_checker_.Detach();
}

TaskQueueMetronome::~TaskQueueMetronome() {
  RTC_DCHECK_RUN_ON(&sequence_checker_);
}
void TaskQueueMetronome::RequestCallOnNextTick(
    absl::AnyInvocable<void() &&> callback) {
  RTC_DCHECK_RUN_ON(&sequence_checker_);
  callbacks_.push_back(std::move(callback));
  // Only schedule a tick callback for the first `callback` addition.
  // Schedule on the current task queue to comply with RequestCallOnNextTick
  // requirements.
  if (callbacks_.size() == 1) {
    TaskQueueBase::Current()->PostDelayedTask(
        SafeTask(safety_.flag(),
                 [this] {
                   RTC_DCHECK_RUN_ON(&sequence_checker_);
                   std::vector<absl::AnyInvocable<void() &&>> callbacks;
                   callbacks_.swap(callbacks);
                   for (auto& callback : callbacks)
                     std::move(callback)();
                 }),
        tick_period_);
  }
}

TimeDelta TaskQueueMetronome::TickPeriod() const {
  RTC_DCHECK_RUN_ON(&sequence_checker_);
  return tick_period_;
}

}  // namespace webrtc